Home / 95,549.31-131,630.13-66,815.28

Finding the Fourth Proportional to 95,549.31, 131,630.13 and 66,815.28

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Solution

The fourth proportional to 95,549.31, 131,630.13 and 66,815.28 is: 92,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,549.31 : 131,630.13 = 66,815.28 : x
  2. Step 2: Convert to fraction form
    95,549.31/131,630.13 = 66,815.28/x
  3. Step 3: Cross multiply
    95,549.31x = 131,630.13 × 66,815.28
  4. Step 4: Simplify right side
    95,549.31x = 8,794,903,992.39
  5. Step 5: Solve for x
    x = 8,794,903,992.39/95,549.31
  6. Step 6: Final answer
    x = 92,045.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.